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nv40: enable base vertex

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Still appears to have issues with negative indices less than -1M, but
that's a corner case of a corner case.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
This commit is contained in:
Ilia Mirkin 2015-06-28 22:30:27 -04:00
parent 19a0ba130f
commit b5622313ea
3 changed files with 5 additions and 4 deletions
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2
src/gallium/drivers/nouveau/nv30/nv30-40_3d.xml.h
View file

@ -1459,6 +1459,8 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#define NV40_3D_VTX_CACHE_INVALIDATE 0x00001714
#define NV40_3D_VB_ELEMENT_BASE 0x0000173c
#define NV30_3D_VTXFMT(i0) (0x00001740 + 0x4*(i0))
#define NV30_3D_VTXFMT__ESIZE 0x00000004
#define NV30_3D_VTXFMT__LEN 0x00000010

1
src/gallium/drivers/nouveau/nv30/nv30_context.h
View file

@ -51,6 +51,7 @@ struct nv30_context {
unsigned rt_enable;
unsigned scissor_off;
unsigned num_vtxelts;
int index_bias;
boolean prim_restart;
struct nv30_fragprog *fragprog;
} state;

6
src/gallium/drivers/nouveau/nv30/nv30_vbo.c
View file

@ -461,13 +461,11 @@ nv30_draw_elements(struct nv30_context *nv30, boolean shorten,
struct nouveau_object *eng3d = nv30->screen->eng3d;
unsigned prim = nv30_prim_gl(mode);
#if 0 /*XXX*/
if (index_bias != nv30->state.index_bias) {
BEGIN_NV04(push, NV30_3D(VB_ELEMENT_BASE), 1);
if (eng3d->oclass >= NV40_3D_CLASS && index_bias != nv30->state.index_bias) {
BEGIN_NV04(push, NV40_3D(VB_ELEMENT_BASE), 1);
PUSH_DATA (push, index_bias);
nv30->state.index_bias = index_bias;
}
#endif
if (eng3d->oclass == NV40_3D_CLASS && index_size > 1 &&
nv30->idxbuf.buffer) {